/*
 * Copyright (c) 2024. caoccao.com Sam Cao
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.caoccao.javet.swc4j.utils;

/**
 * The type Json utils.
 *
 * @since 0.2.0
 */
public final class JsonUtils {
    private JsonUtils() {
    }

    /**
     * Escape the string.
     *
     * @param str the string
     * @return the escaped Json string
     * @since 0.2.0
     */
    public static String escape(String str) {
        if (StringUtils.isEmpty(str)) {
            return str;
        }
        StringBuilder sb = new StringBuilder(str.length());
        for (char c : str.toCharArray()) {
            switch (c) {
                case '\\':
                    sb.append("\\\\");
                    break;
                case '"':
                    sb.append("\\\"");
                    break;
                default:
                    sb.append(c);
                    break;
            }
        }
        return sb.toString();
    }
}
